package com.example.springboot_zc.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.example.springboot_zc.pojo.Class;
import com.example.springboot_zc.pojo.classDis;

import java.util.List;
import java.util.Set;


public interface classDisService extends IService<classDis> {
    public Integer getStatu(String status) ;
    public Set<String> getAllClass();
    public Integer getStatusNum(String class_num,String status);
    public void deleteByStu(String stuNum);
    public boolean updateSta(String status,String stuNum);
    public Integer getSN(String status);
}
